Thanks Colin and Jeremy! Glad it isn't just me. Given the link flap it seems everything is working as it's supposed to. Tom Krenn Network Architect Enterprise Architecture - Information Technology [Hennepin County logo] From: MICE Discuss <MICE-DISCUSS@LISTS.IPHOUSE.NET> On Behalf Of Jeremy Lumby Sent: Friday, September 8, 2023 14:01 To: MICE-DISCUSS@LISTS.IPHOUSE.NET Subject: [External] Re: [MICE-DISCUSS] Route Server 2 CAUTION: This email was sent from outside of Hennepin County. Unless you recognize the sender and know the content, do not click links or open attachments. The timing lines up with a link flap that was experienced on the 4x100G between Ridgeview, and 511. The 511 switch showed a RX loss on all 4 channels simultaneously (there is not a diverse fiber path at the moment). core-sw0(s1)#sh int po 10 Port-Channel10 is up, line protocol is up (connected) Hardware is Port-Channel, address is 2899.3ae5.35e9 Description: Ridgeview Ethernet MTU 9214 bytes , BW 400000000 kbit Full-duplex, 400Gb/s Active members in this channel: 4 ... Ethernet3/35/1 , Full-duplex, 100Gb/s ... Ethernet3/36/1 , Full-duplex, 100Gb/s ... Ethernet6/35/1 , Full-duplex, 100Gb/s ... Ethernet6/36/1 , Full-duplex, 100Gb/s Fallback mode is: off Up 6 hours, 16 minutes, 27 seconds 2 link status changes since last clear Last clearing of "show interface" counters 15 days, 23:15:03 ago 5 minutes input rate 8.36 Gbps (2.2% with framing overhead), 2046578 packets/sec 5 minutes output rate 36.4 Gbps (9.2% with framing overhead), 3646672 packets/sec 2857754359153 packets input, 1491272402763337 bytes Received 2308335 broadcasts, 8733937 multicast 0 input errors, 0 input discards 5706404987428 packets output, 7487480901783768 bytes Sent 43461213 broadcasts, 52158407 multicast 0 output errors, 0 output discards From: MICE Discuss <MICE-DISCUSS@LISTS.IPHOUSE.NET<mailto:MICE-DISCUSS@LISTS.IPHOUSE.NET>> On Behalf Of Tom Krenn Sent: Friday, September 8, 2023 1:13 PM To: MICE-DISCUSS@LISTS.IPHOUSE.NET<mailto:MICE-DISCUSS@LISTS.IPHOUSE.NET> Subject: [MICE-DISCUSS] Route Server 2 Hi all, Anyone else noticing the route server at 206.108.255.2 / 2001:504:27::d1af:0:2 dropping out for a second or so the last few days? I'm seeing similar from both of my routers. LC/0/0/CPU0:Sep 8 07:29:45.717 CDT: bfd_agent[173]: %L2-BFD-6-SESSION_STATE_DOWN : BFD session to neighbor 2001:504:27::d1af:0:2 on interface HundredGigE0/0/0/20 has gone down. Reason: Control timer expired RP/0/RSP0/CPU0:Sep 8 07:29:45.718 CDT: bgp[1065]: %ROUTING-BGP-5-ADJCHANGE : neighbor 2001:504:27::d1af:0:2 Down - BFD (Bidirectional forwarding detection) session down (VRF: default) (AS: 53679) LC/0/0/CPU0:Sep 8 07:29:45.795 CDT: bfd_agent[173]: %L2-BFD-6-SESSION_STATE_DOWN : BFD session to neighbor 206.108.255.2 on interface HundredGigE0/0/0/20 has gone down. Reason: Control timer expired RP/0/RSP0/CPU0:Sep 8 07:29:45.797 CDT: bgp[1065]: %ROUTING-BGP-5-ADJCHANGE : neighbor 206.108.255.2 Down - BFD (Bidirectional forwarding detection) session down (VRF: default) (AS: 53679) LC/0/0/CPU0:Sep 8 07:29:50.384 CDT: bfd_agent[173]: %L2-BFD-6-SESSION_STATE_UP : BFD session to neighbor 2001:504:27::d1af:0:2 on interface HundredGigE0/0/0/20 is up LC/0/0/CPU0:Sep 8 07:29:50.384 CDT: bfd_agent[173]: %L2-BFD-6-SESSION_STATE_UP : BFD session to neighbor 206.108.255.2 on interface HundredGigE0/0/0/20 is up RP/0/RSP0/CPU0:Sep 8 07:30:58.517 CDT: bgp[1065]: %ROUTING-BGP-5-ADJCHANGE : neighbor 206.108.255.2 Up (VRF: default) (AS: 53679) RP/0/RSP0/CPU0:Sep 8 07:31:01.850 CDT: bgp[1065]: %ROUTING-BGP-5-ADJCHANGE : neighbor 2001:504:27::d1af:0:2 Up (VRF: default) (AS: 53679) Tom Krenn Network Architect Enterprise Architecture - Information Technology Office: 612-596-8994 tom.krenn@hennepin.us<mailto:tom.krenn@hennepin.us> | hennepin.us<https://hennepin.us/> Hennepin County Government Center 300 South 6th Street, A-190 Minneapolis, MN, 55487 [Hennepin County logo] Connect: Facebook<https://www.facebook.com/hennepin> | Twitter<https://twitter.com/Hennepin> | YouTube<https://www.youtube.com/user/HennepinMN> | LinkedIn<https://www.linkedin.com/company/hennepin-county> | Instagram<https://www.instagram.com/hennepincounty> Disclaimer: If you are not the intended recipient of this message, please immediately notify the sender of the transmission error and then promptly permanently delete this message from your computer system. ________________________________ To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1 ________________________________ To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1 Disclaimer: If you are not the intended recipient of this message, please immediately notify the sender of the transmission error and then promptly permanently delete this message from your computer system.